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US6196031B1 - Low unit weight knitted loop fabric - Google Patents

Low unit weight knitted loop fabric Download PDF

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Publication number
US6196031B1
US6196031B1 US09/533,568 US53356800A US6196031B1 US 6196031 B1 US6196031 B1 US 6196031B1 US 53356800 A US53356800 A US 53356800A US 6196031 B1 US6196031 B1 US 6196031B1
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US
United States
Prior art keywords
stitch
wale
knitted
weft
ground
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US09/533,568
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English (en)
Inventor
Jean-Pierre Ducauchuis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aplix SA
Original Assignee
Aplix SA
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Filing date
Publication date
Assigned to APLIX reassignment APLIX ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DUCAUCHUIS, JEAN-PIERRE
Application filed by Aplix SA filed Critical Aplix SA
Assigned to APLIX reassignment APLIX (ASSIGNMENT OF ASSIGNOR'S INTEREST) RERECORD TO CORRECT THE RECORDATION DATE OF 3-20-00 TO 3/22/00 PREVIOUSLY RECORDED AT REEL/FRAME 10698/0894 Assignors: DUCAUCHUIS, JEAN-PIERRE
Application granted granted Critical
Publication of US6196031B1 publication Critical patent/US6196031B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
    • A44B18/0023—Woven or knitted fasteners
    • A44B18/0034—Female or loop elements
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/02—Pile fabrics or articles having similar surface features
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • D10B2501/06—Details of garments
    • D10B2501/063—Fasteners
    • D10B2501/0632—Fasteners of the touch-and-close type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/27—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
    • Y10T24/2733—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener] having filaments formed from continuous element interwoven or knitted into distinct, mounting surface fabric

Definitions

  • This invention relates to a warp knitted fabric comprising loops.
  • the loops are adapted to engage in hooks to form a self-closing fastening.
  • the loop fabric comprises a ground consisting of warp yarns or a wale of stitches and connecting weft yarns or weft yarns which are connected to the warp yarns and a network of loops consisting of loop yarns knitted into the fabric ground.
  • This kind of self-closing loop fabric is familiar in the prior art, notably for pilches for fastening and unfastening the top edges of the pilch.
  • This invention also relates to a layered system consisting of a support and of a knitted fabric as previously mentioned, the knitted fabric being stuck to the support.
  • the support can be an intermediate support, the layered system then being secured to an article, such as a pilch, or it can be the actual article.
  • a problem always arising in the production of these self-fastening fabrics is that it is required to use the least possible quantity of weft yarns and warp yarns to make the ground yet to have a structure strong enough to retain the loops satisfactorily on the ground, particularly in a self-supporting position if possible—i.e., well clear of the fabric—to enable the male fastening elements to engage the loops satisfactorily.
  • This invention solves this dilemma by proposing a knitted loop fabric requiring fewer yarns from the weight point of view, particularly finer yarns, to make the fabric ground while maintaining the loops knitted into the ground as clear as possible thereof as when thicker yarns are used.
  • the knitted loop fabric comprising:
  • connection between the weft yarns and the wales is such that each weft yarn is first knitted into a first stitch of a first wale in a weft connection, then into a second stitch of a second w ale in a stitch connection, then into a third stitch of a third wale in a second weft connection, then into a fourth stitch of a fourth wale in a stitch connection and then into a fifth stitch, which corresponds to the first stitch of a subsequent cycle, in a further weft connection,
  • the wales consist of a cycle of four stitches, two of which are stitched in one direction and two in the other, ensures that two adjacent loops always tend to lie or incline in two opposite directions to one another according to the direction in which the wales extend, so that engagement of these loops with the male elements, for example, hooks, is as good as is provided by hooks coming from either side of the fabric, thus ensuring that in the case, for example, of pilches, the engagement of those male parts of the self-closing fastening which are disposed on the upper strip of the left layer is as good as that of the male parts of the self-fastening closure which are disposed on the upper right strip.
  • the second stitch and the fourth stitch are disposed in the same wale—i.e., the second wale and the fourth wale are a single wale—and are separated from one another by a stitch corresponding to a first stitch or a third stitch of a weft yarn cycle.
  • each loop consists of a first leg knitted into a said second stitch in one direction of landing on the bar, of an unravelling apex where the loop is unravelled, the unravelling being performed at a needle position between said two third consecutive stitches half-way between two wales and of a second leg knitted into a said fourth stitch in a landing direction opposite to the said one direction of landing, so that the next loop is made with its unravelling apex on the other side of the merged wale comprising the said second stitch and said fourth stitch into which the two legs of the previous loop are knitted.
  • the invention also relates to a layered system comprising a support to which a fabric of the kind hereinbefore described is stuck. More particularly this invention relates to a layered system of which the support is a diaper.
  • FIG. 1 is a plan view of a ground of the fabric in which a number of wales and two weft yarns each in a cycle are shown, the dots representing the landing positions of the needles;
  • FIG. 2 is a plan view of the network of loops, the dots again representing the landing positions of the needles;
  • FIG. 3 is a plan view of a fabric showing the wales, weft yarns and loop yarns, the dots again corresponding to the landing positions of the needles, and
  • FIG. 1 shows five wales which are vertical in FIG. 1 and which are arranged equidistant from one another.
  • Each wale is formed as follows: a first stitch 1 made with a left-to-right warp landing, then a second stitch 2 also made with a left-to-right warp landing, then a third stitch 3 made with an opposite right-to-left warp landing and a fourth stitch 4 made with another right-to-left warp landing.
  • a cycle of four stitches has therefore been shown.
  • the remainder of the wale is produced using this four-stitch cycle, the stitch 5 being, for example, the fourth stitch of the previous cycle.
  • Each weft yarn 6 is knitted on its wales as follows: the weft yarn 6 is first stitched in a left-to-right stitch into a stitch 7 of a first wale 8 and is then looped around the stitch 15 without being stitched into it like a conventional weft yarn and is then stitched into a stitch 9 of wale 8 in a landing opposite to the landing of the stitch 7 , and is then tied into a stitch 10 of the next wale 11 in a conventional weft connection with a landing opposite to the landing of the stitch 15 , whereafter the weft yarn repeats its cycle on other stitches of the wale network.
  • the stitching directions of the two legs of any loop are opposite so that the resulting loops extend alternately to the left and to the right of the drawing.
  • This alternation is not obligatory and it is possible to have loops of which all the legs are stitched in the same direction, giving a loop network in which all the loops extend in the same direction (to the left or to the right in the drawing).
  • this alternation is well suited to the cycle of 2 stitches from left to right and 2 stitches from right to left of the wales to give a fabric which is well balanced and therefore very resistant to pulling stresses.
  • the warp and weft yarns which form the ground have a yarn thickness between 1 and 60 decitex, preferably of from 12 to 45, for example, 12 in the case of the warp yarns and 22 in the case of the weft yarns.
  • the loops have a yarn thickness of from 30 to 60 decitex, for example, 44 decitex.
  • FIG. 4 shows a wale four-stitch cycle, the first two stitches being formed from left to right (see arrows) and the next two stitches (starting from the bottom of FIG. 4) being formed from right to left (see the arrows in FIG. 4) and so on.
  • the fabric according to the invention has a weight that is less than 40 gsm, in particular a weight comprised between 15 gsm and 40 gsm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Woven Fabrics (AREA)
US09/533,568 1999-03-30 2000-03-22 Low unit weight knitted loop fabric Expired - Fee Related US6196031B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9903954 1999-03-30
FR9903954A FR2791707B1 (fr) 1999-03-30 1999-03-30 Tissu tricote a boucles de faible grammage

Publications (1)

Publication Number Publication Date
US6196031B1 true US6196031B1 (en) 2001-03-06

Family

ID=9543800

Family Applications (1)

Application Number Title Priority Date Filing Date
US09/533,568 Expired - Fee Related US6196031B1 (en) 1999-03-30 2000-03-22 Low unit weight knitted loop fabric

Country Status (6)

Country Link
US (1) US6196031B1 (fr)
EP (1) EP1043436B1 (fr)
JP (1) JP2000303330A (fr)
DE (1) DE60003113T2 (fr)
ES (1) ES2199745T3 (fr)
FR (1) FR2791707B1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020006758A1 (en) * 2000-07-04 2002-01-17 Bernard Desgrand Fabric comprising double networks of loops and a method of making it
US20040158957A1 (en) * 2001-09-05 2004-08-19 The Procter & Gamble Company Nonwoven loop member for a mechanical fastener
US6845639B1 (en) * 2002-04-02 2005-01-25 Gfd Fabrics, Inc. Stretchable loop-type warp knitted textile fastener fabric and method of producing same
US20060080810A1 (en) * 2004-10-18 2006-04-20 Horn Thomas A Bonding patterns for construction of a knitted fabric landing zone
US20170319407A1 (en) * 2014-11-04 2017-11-09 3M Innovative Properties Company Touch fastener female material, touch fastener, and absorbent article
US11535960B2 (en) * 2020-04-17 2022-12-27 Jhih Huei Trading Co., Ltd. Textile for shoe upper and shoe body including the same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE263859T1 (de) * 2002-07-05 2004-04-15 Mattes & Ammann Kg Textile kettenware
JP5384888B2 (ja) * 2008-09-10 2014-01-08 スリーエム イノベイティブ プロパティズ カンパニー 面ファスナ雌材
JP5841318B2 (ja) * 2010-08-06 2016-01-13 スリーエム イノベイティブ プロパティズ カンパニー 面ファスナ
WO2015017032A1 (fr) * 2013-08-02 2015-02-05 Herniamesh S.R.L. Procédé de fabrication d'un treillis chirurgical léger à quatre axes

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2317403A1 (fr) 1975-07-10 1977-02-04 Seratec Sarl Procede de fabrication d'un tissu boucle sur un metier chaine et tissu obtenu
FR2632830A1 (fr) 1988-06-16 1989-12-22 Aplix Sa Support en feuille portant des boucles, notamment pour la confection de l'un des deux elements d'une fermeture auto-agrippante, et procede et machine pour sa fabrication
EP0517275A2 (fr) 1991-06-06 1992-12-09 Guilford Mills, Inc. Etoffe textile de fermeture du type boucle et son procédé de fabrication
US5267453A (en) * 1991-06-06 1993-12-07 Guilford Mills, Inc. Loop-type textile fastener fabric and method of producing same
EP0645486A1 (fr) 1993-09-27 1995-03-29 Milliken Research Corporation Etoffe de type velcro ou torchon
EP0694642A1 (fr) 1994-07-25 1996-01-31 Milliken Research Corporation Fermeture à crochet et boucle

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827389U (ja) * 1981-08-12 1983-02-22 三興繊維協同組合 テ−プ用編成生地

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2317403A1 (fr) 1975-07-10 1977-02-04 Seratec Sarl Procede de fabrication d'un tissu boucle sur un metier chaine et tissu obtenu
FR2632830A1 (fr) 1988-06-16 1989-12-22 Aplix Sa Support en feuille portant des boucles, notamment pour la confection de l'un des deux elements d'une fermeture auto-agrippante, et procede et machine pour sa fabrication
EP0517275A2 (fr) 1991-06-06 1992-12-09 Guilford Mills, Inc. Etoffe textile de fermeture du type boucle et son procédé de fabrication
US5214942A (en) * 1991-06-06 1993-06-01 Guilford Mills, Inc. Loop-type textile fastener fabric and method of producing same
US5267453A (en) * 1991-06-06 1993-12-07 Guilford Mills, Inc. Loop-type textile fastener fabric and method of producing same
US5407722A (en) * 1991-06-06 1995-04-18 Guilford Mills, Inc. Loop-type textile fastener fabric, method of producing same and process of treating same
US5449530A (en) * 1991-06-06 1995-09-12 Guilford Mills, Inc. Method of producing loop-type textile fastener fabric and process of treating same
EP0645486A1 (fr) 1993-09-27 1995-03-29 Milliken Research Corporation Etoffe de type velcro ou torchon
US5503892A (en) * 1993-09-27 1996-04-02 Milliken Research Corporation Tack or wiping cloth
US5520022A (en) * 1993-09-27 1996-05-28 Milliken Research Corporation Tack or wiping cloth
EP0694642A1 (fr) 1994-07-25 1996-01-31 Milliken Research Corporation Fermeture à crochet et boucle

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020006758A1 (en) * 2000-07-04 2002-01-17 Bernard Desgrand Fabric comprising double networks of loops and a method of making it
US20040158957A1 (en) * 2001-09-05 2004-08-19 The Procter & Gamble Company Nonwoven loop member for a mechanical fastener
US7805818B2 (en) 2001-09-05 2010-10-05 The Procter & Gamble Company Nonwoven loop member for a mechanical fastener
US6845639B1 (en) * 2002-04-02 2005-01-25 Gfd Fabrics, Inc. Stretchable loop-type warp knitted textile fastener fabric and method of producing same
US20100040827A1 (en) * 2002-09-05 2010-02-18 The Procter & Gamble Company Nonwoven loop member for a mechanical fastener
USD640064S1 (en) 2002-09-05 2011-06-21 The Procter & Gamble Company Nonwoven material with pattern element
USD642809S1 (en) 2002-09-05 2011-08-09 The Procter & Gamble Company Nonwoven material with pattern element
US9259059B2 (en) 2002-09-05 2016-02-16 The Procter & Gamble Company Nonwoven loop member for a mechanical fastener
US20060080810A1 (en) * 2004-10-18 2006-04-20 Horn Thomas A Bonding patterns for construction of a knitted fabric landing zone
US20170319407A1 (en) * 2014-11-04 2017-11-09 3M Innovative Properties Company Touch fastener female material, touch fastener, and absorbent article
US10709620B2 (en) * 2014-11-04 2020-07-14 3M Innovative Properties Company Touch fastener female material, touch fastener, and absorbent article
US11535960B2 (en) * 2020-04-17 2022-12-27 Jhih Huei Trading Co., Ltd. Textile for shoe upper and shoe body including the same

Also Published As

Publication number Publication date
EP1043436B1 (fr) 2003-06-04
FR2791707B1 (fr) 2001-05-25
DE60003113D1 (de) 2003-07-10
JP2000303330A (ja) 2000-10-31
DE60003113T2 (de) 2004-04-15
ES2199745T3 (es) 2004-03-01
EP1043436A1 (fr) 2000-10-11
FR2791707A1 (fr) 2000-10-06

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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DUCAUCHUIS, JEAN-PIERRE;REEL/FRAME:010698/0894

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Owner name: APLIX, FRANCE

Free format text: (ASSIGNMENT OF ASSIGNOR'S INTEREST) RERECORD TO CORRECT THE RECORDATION DATE OF 3-20-00 TO 3/22/00 PREVIOUSLY RECORDED AT REEL/FRAME 10698/0894;ASSIGNOR:DUCAUCHUIS, JEAN-PIERRE;REEL/FRAME:010860/0887

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Effective date: 20130306